F03B 3/06
With adjustable blades
Official title: with adjustable blades, e.g. Kaplan turbines {(rotors per se F03B3/14)}
F03B3/06 (With adjustable blades) appears on 45 US grants and 52 published applications in this corpus.
Search patents in F03B- Granted patents
- 45
- Published applications
- 52
- Assignees
- 38
- Inventors
- 133
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 4 |
| 2011 | 0 | 0 |
| 2012 | 2 | 2 |
| 2013 | 2 | 2 |
| 2014 | 1 | 7 |
| 2015 | 0 | 2 |
| 2016 | 2 | 3 |
| 2017 | 2 | 7 |
| 2018 | 1 | 5 |
| 2019 | 7 | 1 |
| 2020 | 2 | 4 |
| 2021 | 5 | 0 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydropower turbine26 May 2026US 12,637,996 B1Mesa Associates, Inc.
- Apparatus and method for detecting a liquid contaminant in a rotating cavity of an electric machine23 Sep 2025US 12,422,485 B2Vibrosystm Inc.
- Kaplan-type turbine11 Feb 2025US 12,221,949 B2Zeco Di Zerbaro E Costa E C. S.R.L.
- Outer turbine system2 Apr 2024US 11,946,441 B2
- Self-regulating water turbine runner, water turbine equipped with sub-runner located upstream of the main runner and water turbine comprising the same23 Jan 2024US 11,879,423 B2Composite Hydraulic Turbine Ottawa Inc.
- Hydroelectric power generation device and power generation method based on axial-flow hydraulic turbine1 Oct 2026US 2026/0298190 A1Hebei Water Conservancy Engr Bureau Group Limited
- Digitalized and intelligent shaft axis processing method and device for hydraulic turbine generator unit26 Mar 2026US 2026/0085653 A1Csg Power Generation Co., Ltd. Maintenance and Test Company
- Air-filled kaplan runner19 Feb 2026US 2026/0049590 A1GE Renewable Technologies
- Hydraulic turbine1 Jan 2026US 2026/0002507 A1Natel Energy Holdings, Inc.
- Kaplan-Type Turbine8 Aug 2024US 2024/0263603 A1Zeco Di Zerbaro E Costa E C. S.R.L.
Most cited
By later US patents
- Dual type multiple stage, hydraulic turbine power generator including reaction type turbine with adjustable blades40US 6,441,508 B1Ebara International Corporation · 2002
- Hydrogen production from hydro power39US 6,841,893 B2Voith Siemens Hydro Power Generation, Inc. · 2005
- Hydro-turbine runner26US 5,954,474 AVoith Hydro, Inc. · 1999
- Adjustable blade turbines22US 5,947,679 AVoith Hydro, Inc. · 1999
- Hydrogen production from hydro power20US 6,864,596 B2Voith Siemens Hydro Power Generation, Inc. · 2005